72532167 has 4 divisors (see below), whose sum is σ = 96709560. Its totient is φ = 48354776.

The previous prime is 72532151. The next prime is 72532171. The reversal of 72532167 is 76123527.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72532167 - 2⁴ = 72532151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72532067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12088692 + ... + 12088697.

It is an arithmetic number, because the mean of its divisors is an integer number (24177390).

Almost surely, 2^72532167 is an apocalyptic number.

72532167 is a deficient number, since it is larger than the sum of its proper divisors (24177393).

72532167 is a wasteful number, since it uses less digits than its factorization.

72532167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24177392.

The product of its digits is 17640, while the sum is 33.

The square root of 72532167 is about 8516.5818847704. The cubic root of 72532167 is about 417.0392052345.

The spelling of 72532167 in words is "seventy-two million, five hundred thirty-two thousand, one hundred sixty-seven".